Step flashing is preferred over continuous flashing for roof flashing where the roof meets the wall.
How to install metal roof flashing against a wall.
Apply the first course of shingles install the first course of shingles up to the wall and position the second flashing strip over the shingle.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
This can be under shingles or over metal roofing material.
In those instances the best thing to do is remove the siding and run the flashing up against the wall and replace the siding so that you have a watertight finish.
There are various ways to do roof flashing depending on which part of the roof you are flashing.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
It s very important to make sure that you grab the z channel that s below and make sure that you re in the outside leg of the z channel.
With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim.
I m going to install one between each panel directly in the center.
Laying the kickout flashing use your roofing cement to add a layer to the wall against the roof s base.
The covered area of the shingle in the second course should be completely covered by the step flashing.
Step flashing is a piece of metal sheet bent square at 90 degrees.
Step 2 install base flashing.
Step 1 choose what kind of metal flashing you need.
After you have placed the kickout flashing you will continue with step flashing.
While 8 inch flashing usually works well for most purposes you might want to use another size.
Oftentimes if you re installing in a re roofing situation you re going to be coming up against vinyl siding brick wood.
How to install roof flashing against a wall.
Installing the z trim.
You have to first decide what size of flashing you will use.
Now install the base flashing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
However the principles are the s.
